62736404645 has 4 divisors (see below), whose sum is σ = 75283685580. Its totient is φ = 50189123712.

The previous prime is 62736404639. The next prime is 62736404693. The reversal of 62736404645 is 54640463726.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23858818369 + 38877586276 = 154463^2 + 197174^2 .

It is a cyclic number.

It is not a de Polignac number, because 62736404645 - 2⁴ = 62736404629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 62736404645.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6273640460 + ... + 6273640469.

It is an arithmetic number, because the mean of its divisors is an integer number (18820921395).

Almost surely, 2^62736404645 is an apocalyptic number.

It is an amenable number.

62736404645 is a deficient number, since it is larger than the sum of its proper divisors (12547280935).

62736404645 is a wasteful number, since it uses less digits than its factorization.

62736404645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12547280934.

The product of its (nonzero) digits is 2903040, while the sum is 47.

The spelling of 62736404645 in words is "sixty-two billion, seven hundred thirty-six million, four hundred four thousand, six hundred forty-five".